Finding the Fourth Proportional to 1,480,751.31, 2,221,313.76 and 508,305.09
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Solution
The fourth proportional to 1,480,751.31, 2,221,313.76 and 508,305.09 is: 762,521.76
Step by Step Solution
- Step 1: Write the proportion equation
1,480,751.31 : 2,221,313.76 = 508,305.09 : x - Step 2: Convert to fraction form
1,480,751.31/2,221,313.76 = 508,305.09/x - Step 3: Cross multiply
1,480,751.31x = 2,221,313.76 × 508,305.09 - Step 4: Simplify right side
1,480,751.31x = 1,129,105,090,695.04 - Step 5: Solve for x
x = 1,129,105,090,695.04/1,480,751.31 - Step 6: Final answer
x = 762,521.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.